there towards dallas? that is the warm air that will finally start to make its way our way. it's going to get nice and warm during this weekend. we'll talk more about that, and about the great pattern change coming up. >>> just two days after maryland voters approved a refer ren tum to expand gaming in the state, a new legal challenge aims to stop it. prince george's county bureau chief tracee wilkins is at national harbor where the fate of a potential new casino hangs in the balance. >> reporter: jim, this lawsuit was filed last friday. and they're going to be doing more filing in the coming days hoping to get a hearing on the class action lawsuit. they're filing it on behalf of folks who live just over in on the other side of national harbor. and it's really technical. so we'll have the attorney break down for you what it means. it all comes down to who was qualified and how many people actually voted. there are 3.7 million qualified voters in maryland. on tuesday, about 69% of them came out to vote, and they decided to expand gambling in maryland. according to the state board of elections.